Apparatus for making cement.



'110.815,6301' PATBN,TED MAR.20,1906. l

r 11. C., "GARPBNTER. f APPARATUS FOR MAKING CEMENT.

,APPLIUATIO FILED 00T. 17,1'902.

3 SHEETS-SHEET 1.

. vi v-z-fvwnNEts-SES: mf/WWVENTOR '010.015,'000. 'PATBNTED MAR. 20, 1000.. v l Y 0.000100130113510.. APPARATUS F03 MAKING'GEMENT.:

APPLIGATION FILED 00T. 17,1902.

3 SHEETS-SHEET 2.

Idd'

" INVENTOH No. 315,680, f A PATENTED Ammo,19o6. l

L R10. CARPENTER, y y

APPARATUS PoR MAKINGKGEMBNT.

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i No. 815,68).

v' To a/ZZ it Vmay concern,.-

STATES OFFICE.)

#RQLLAf-Uf yCARPEWTER. OF ITHACA, NEW,..YQRK; i APPABAi-s 'Fon luk'lNecEri-nr.

CrCAaPENTEa, a cltizen of the United States, and a resident of Ithaca, in the-'county of Tompkins, State Be itjknownthat l, ROLLA of'N ew York, have invented certain new and Cement,l of

useful kj lpparatus l for Makin which thefollowmgfls a speci cation, taken connection with the accompanying drawings, forming part of theisame. Io.

'Th1s`invent1on relates lto apparatus for making cement, and is'especially applicable to the making'of cement by the rotary process.

' vthe same reference c 15 4 `,View of t indicated, coperating with F. It is understood, h sire'd number. ofkilns may be employed co`p' In the' accompan 'ng drawings, in which aracter refers to similar .partsin the several gures, Figure 1 is a plan -vvi'ewshowing an embodiment 21is a partial vertical sectional' of this invention. 4'Fi e same'. Fig. 3 is a slmilar sec`- tional Viewl showing another portion of the apparatus. Fig. 4 1s a sectional View of the boller an'drnounting Fig. 6 'is'. alongitudinal' sectional View ofthe same;

lJ-` F1g. '7 1s a detail showing the' method ofjheatlng thekllns. l v

nthis apparatus two rotary kilns A are suitable clinker and in conjunction with cooling apparatusl 1 these kilns two rotary driers H are emplo ed,

kilns serving to heat t ese driers after passing through a suitable boiler owever, thatany de- 'th'e gases from the erating withl al corres ondingequipinent of driers and other auxillary apparatus.

As in dicated'inl Fig, 2, the rota kiln A is mounted "so asvto be rotated asesired by suitable driving mechanism A2, which co erates with the gear A, secured to thekiln. Xs

is indicated, this kiln 1s formed Witha constricted u pper portion A, althou hit may be made cy mdrical, Vif desired;`A his kiln is mounted lower end. ma 45 wit -st'antially tight. joint't terminates in the clinkerl from thelowerend of the ythe lower end of inl any suitable 1/ way so` that its es a substantia ly tight 'oint g C,I while its upper en lits asimilar casin lso as` to makea sub# erewith. Thelcasin 0,111 Whlchthe burners B B" are mounte chute Cf; which leads th with the cas` inte ,this chute, where itis 'engaged' bythe endless-conveyer C3, preferably consisting of an endless vcham running over suitable pulleys C? and v.provided with buckets to carrythis clinker' up' through the in- Vclosed conveye'r-casing C2. The clinker, as is vkiln mcreases4 as' it Fig.' 5 'is a transverse similar material fed forward vthata` .chamberls formed, within whichthe com- 1.10 rfere'nce from thef' patented'narcir 20,190@ y indicated 2, drops fromv the conveyor upon Vthe staggered slides D2, arranged, as in.

d1cate`d,'in the cooling-tower D of the clinkercoler D.

the cooler throughthe so as to beheated thereby. The temperature of this air for supplying combustion in the passes down-thecasing C2 and up the clinkerfchute Cf, so that it is highly heated-as it enters the kiln A-. It ,is i 'of coursefunderstood thatl this particular means of heating the air need not be employed under all conditions, although it is desirable thatthe air for combustion be, supplied to the/kiln ina heated condition'. and under forced draft. y The means for heating the kiln is indicated 1n detail in Fig. 7,

kiln The uel, W

1s Supplied through the pipeBa, and' this communicates, by means of B3, With the tWO burner-tubes 4B B, which enter the casing position of th flamer Within the adjusted vas part vof ther n, althou that other means dsu'pp heatin the kiln may be used The 'ghly-heated gases 1n some cases. whlch issue from This `clnkercooler is supplied with air from the fan D4, which forces au' into v pipeD3 andlcauses it' proxrmity'to the y.hot clinker,

whichis a partial axial secand adjacent parts. I ch is preferablypowderel coal or in a'blast of air,v4

pipe'f the flexible joints.

as indicated.' -Thesel` burners arethrough suitable mechanism-ad-v justably mounted in the casing, sothat the kiln may be Y, esred to' supply heat to any 1t is understood ylngthe fuel and of the upper end of each of the kilns are direct- A l ed into the passages E, which communicate at the p oint Ewith a'boiler, as indicated,'

theheat of these gases `beingutilized in this drawings, 'this Way. As 1s shown 'in .the boiler may be constructed withthe water-` drum F, communicatin withythe steamdrums F3 by means lof th Suitable brid e-Walls or partitions of refractory material" are formed within the boilerhousing- F, so .as to direct a zi zag'manner through oug y heat the same.

preferably provided; with an auxiliary fur# nace. As indicated, the grate F directly the tubes to thorsubstantia'lly inclosed plete combustion of'fuel upon the grate 'may take place --Without int e water-tubmes,l F7.

the heatdgasesin" I This boileaisalso is formed f under the Acombustion-arch F2, so`- ture E above the combustion-arch. Suitl ati-the outlet O, which able doors F5- are formed in the housing for tiring the turnace, and 'cleaning-apertures are provided as desired throughout the boilerousing to thoroughly clean the boiler from time to time as necessary.

The gases issuing from. the ,boiler pass out the aperture G and into the ilue Gr, which conducts them by means of the transverse passages G2, into the hood Gr3 at the lower end of each of the rotary driers H, these driers of ordinary construction being provided With the usual longitudinal stirringribs H. These driers are mounted in the inclined position (indicated in Fig. 3) and are suitably rotated by any desired means, the driers 4forming substantiall the various casings with which they communieate. The cement material mayI be fed into the driers in a substantially liquid condition by the pipes H3, and the dried i'naterialv falling from the lower end of thc drieis `may j be removed 'from `the housingsby the screw A conveyers H2. 2S

driers. housing K, comprises the grate K', there bct (indicated.) An auxiliary drying-furnace is preferably provided to turf nish additional heat to each of the rotary This furnace, mounted in a suitable ing suitable tiring-doors K tosup ply :hiel for combustion upon the grate and below the combustion-arch K2. The bridge-wall K5 indicated directs the gases in a circuitous route about the rotary drier and into the passage G4, which coininunicates with the housing G3, as indicated, so that these gares after heating the drier by passing around the outside of the saine, as described, pass together lwith the kiln-gases through this drier. The gases from the dri'er are preferably received in the hood L andare led thiretroin by the.

passageli4 into the inlet L2 of the fanl L', bv'

. which they are forced out through the stack L of any desired construction. lt. is ol' course understood that the passages and auxiliary apparatus through whjch the kiln-gases circulate are so proportioned that any dust' that may be deposited from: the kiln-gases maybe readily removed' irointiine to time and so' that it docs not interfere with the operation el the api'iaratus.

In order -to warm the cement material and ecoiiomizc the fuel required to drythe saine, it is desirable in some instanties to employ the cement-limiter (l, which may be constructed as is indicated in detailin Figs. 5 and 6. 'lhis heater is substantially a surface condenser, in which the cement material,,preferably in a substantially liquid condition, circulates through the tubcs (Y within the heater-shell t). 'lhel cement material, which is forced into thc inlcltl within the head U5, is directed across through the tubes by the transverse. division-platcs O within thc heads at either end oll thc` heater-,so as lo circulate in a zigzag manner through the condenser, emerging ltight joints with siaeso communicates with the pipes H" to convey this material to the d riers. lThe cement material is heated with- -in this device by steam, which may be conveniently supplied from the exhaust of' the engines operating the plant and which may be operated by steam from the boi-lerindicated; This steam enters the steam-inlet OQ and coming in contact with the outside of the tubes is condensed thereon, as in an ordinary surface condenser, the condensed water issuing from the outlet 0. As is indicated in Fig. 5, the spacing ot th(` tubes is such that substantially the same number of tubes is available tor the cement material in each passage troni head to head of the heater, so that the material circulates throughout the heater at substantially the same rate, preventing un- `due deposition of this material within the heater.

lt. is of course understood that many modifications may be made in this apparatus by those familiar with this art without departl"roin the spirit o1' this invention. Sonie ol` the parts ot this apparatus may be omit-ted, it desired, and other parts may be substituted for parts described herein without losing the advantages derived troni this invention. l do not, therefore, desire to be limited to the disclosure which has been made in this case g but What .l claim as new, and what l desire to secure by Letters Patent, is set forth in the appended claims.

i.` ln cement apparatus, a rotary kiln, a clinker-cooler adjacent said kiln, means to convey the clinker from said kiln to said cooler, a supply-fan to force air into said clinker-coolcr to be heated therein and to l'orce said air into said kiln, a boiler mounted adjacent said kiln, means lo conduct the killigascs through said boiler, a rotary drier, a drier-furnace to heat said drier and means to conduct the gases from said furnace around 'said dricr and then through the saine and means to conduct kiln-gases from said boiler through said drier.

2. ln cement apparatus, a rotary kiln, inea-ns to heat air from thc clinkcr troni said kiln and to force said heated air into said kiln to support combustion therein, means to heat said kiln, a boiler mounted adjacent said kiln to receive the kiln-gases therefrom, a rotary drier provided with a drici'- furnace and means to conduct the kiln-gases from said boiler through said drier.

Il. lin cement apparatus, a rotary kiln, a clinker-coolcr mounted adjacent said kiln, means to torce air through said elinkercooler and into said kiln, means to heat said kiln, afrotary di'icr'niountcd adjacent said kiln, a drier-furnace for said drier and means to conduct the kiln-gases from said kiln through said drier.

4. ln cement apparatus, a rotary kiln, a

IIO

' eli'nker-cooleradjacent said kiln, means to j f said kiln, means to heat said kiln, a boiler andr from said drier-furnace through said drier, A means to direct the kiln-gases through said'vv *Y means lto regu ate the movementv of said ',gases. f

4o nace, ymeans to direct the gases from said I 'to direct the,kilngases through said drier. f

` to receive kilnases therefrom, a drier ady(drier, means to directlgases fromVV said drierfurnace through lsaidfdrler and meansto con' kiln-glases through said boiler and drier.

Vdrier-furnace, means to direct the heated drier and 'then through the same, `means to' 4 direct the kiln-l ymeans tov regu nace, means to "directthe gases from said .said drier.

'ed vapors, a drier to receive said cement clinker-cooler adjacent said' kil tonreceive clinker therefrom, means to force, "through said. clinker-cooler andliiito said kiln, means to heat said kiln, a boiler adjacent said kiln jacent said boi er, a rdrier-furnace fors'aid' duct the kiln-gases'ffrom said boilerythronghsaid drier. f 5. In cement apparatus, arotary kiln a force air through said clinker-cooler and intov a drier adjacent said kiln and meansto direct apparatus', a rotary-kiln;

means to heat said kiln, a rotary drier, a

n cement gases from said drier; furnace around saidv ases throughv said drierand ate the movement of `sa`id gases. y

7. `In cement apparatus, a rotary'kiln, a rotary drier provided with a drierfurnace adjacent vsaid kiln, means to Vdirect the gasesk drier and means to regulate the movement of said gases.

v8. In cement apparatus, a frotary' kiln, means to heat said `kiln,a drier, a drier-furie" drier-furnace` through said drier, means to direct the kilnases throughsaid drier and 9. In 'cement p aratus,y a` rotary kiln, meansto heat said iln, a drier, a drier-furdrier-furnace through said drier, and means 10. In. cement apparatus, a kiln, a rotaryv drier, a drier-furnace, means to direct the gasesrrom'said ydrier .'urnace around and through said drier 'and passages'connected with said kiln to' direct ki n'-gases'through 11. In cement a paratus, a cementsheater to heat substantia ly liquid cement by heatirom said heater, a drier-furnace and means 4to direct the gases from said drier-'furnace through said drier.

12. In cement a paratus, a cement-heater having heating-tubes to heat bymeans of heated vapors substantially 'liquid cement passing through saidtubes, 'and a drierto receive said cement from said heater. f

13. In cement apparatus,

4casing inclosing the mouth multiple burner to supply fuel to said kiln, a clinker-cooler adjacent said kiln, an inclosed chain conveyerl .to lsupply clinker to said cooler from said kiln and a fan to force air a rotary kiln, a

1tlliilrlpugh saidcooler and conveyer into said va rotary kiln, a of said kiln, a burner to heat"s'a'idl kilnfaclinker-chuteconnected to said casing, a clinker-coisumount- 1'4. In cementapparatus,

ed adjacent said chute, a conveyer Wbrking .Y

in a closed casing to convey clinker-chute to the top of saidclinker-cooler, and a supply-fan connected to said cooler to force heated' air into said kiln to supply combustion therein.

15. In cement ap a burner to heat said Inln, a clinker-cooler, in-

f closed means to convey cement-clinker from said kiln to said cooler, means to force air lfor combustion into sa1d kcooler and thence into clinker from said ratus', a cement-kiln, a

said kiln,'a ,water-tube 'boiler mountedadacent said kiln, an auxiliary furnace for said oiler and means to convey the kiln-gases through said boiler.

16. In cement apparatus,

, a rotary kiln, a burner to heat said kiln,

inclosed means to revA ceive the clinker from the mouth of said and to cool the same, a fan to forceair. into said means to heat said air' before it enters said kiln, a boilermounted adjacent said'kiln and means*t'"pa'ss"-the kiln-gases through said boiler. 17. In .cement apparatus, a kiln, means to heat said kiln,

a casln 'inclosing the mouth of said kiln, a jclinker-c 'ute connected to said i casin a` clinker-coolen mounted' adjacent sald ln, a tower connected to said clinkercooler provided w1th staggered slldes, means IOO to admit air to said clinker-cooler adjacent said tower and and inclosed conveyer to carry y clinker from said clinker-chute to the top of said tower.

- 18. In cement a paratus, a rotary kiln, I 

